Vulnerabilities > CVE-2023-1476 - Use After Free vulnerability in multiple products
Attack vector
LOCAL Attack complexity
HIGH Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://access.redhat.com/errata/RHSA-2023:1659
- https://access.redhat.com/errata/RHSA-2023:1659
- https://access.redhat.com/security/cve/CVE-2023-1476
- https://access.redhat.com/security/cve/CVE-2023-1476
- https://bugzilla.redhat.com/show_bug.cgi?id=2176035
- https://bugzilla.redhat.com/show_bug.cgi?id=2176035
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2